24AA256UID-I/SN

256K I2C serial EEPROM with EUI-48™, EUI-64™ and unique 32bit serial number capable of operation across a broad voltage range (1.7V to 5.5V).

• Unique across all UID-family EEPROMs
• Scalable to 48bit, 64bit, 128bit, 256bit and other lengths
• Compatible with EUI-48™ and EUI-64™
• Codes stored in permanently write-protected upper 1/8th of EEPROM array
• Single supply with operation down to 1.7V, data retention <gt/>200 years
• Low-power CMOS technology and 2-wire serial interface, I2C compatible
• Cascadable up to eight devices and Schmitt trigger inputs for noise suppression
• Output slope control to eliminate ground bounce and 100KHz and 400KHz clock compatibility
• Page write time 5ms max, Self-timed erase/write cycle and 64byte page write buffer
• ESD protection <gt/>4000V, more than One Million erase/write cycles